Chelidonium. PAPAVERACE^. 89 



nearly related if not confluent species. — Santa Inez Mts., S. Calif., Spence, Brandegee, north- 

 ward to San Luis Obispo Co. {P. Lemmoni), ace. to Greene, 1. e., and south at least to Los 

 Angeles Co., ace. to McClatchie. Especially abundant on burns. 

 * * * Arctic-alpine, acaulesceut, perennial. 

 P. nudicaule, L. Dwarf, hirsute-hispid : leaves all in a radical tuft, oblong-spatulate or 

 obovate in outline, piunatifid or below pinnately divided ; divisions spatulate to lanceolate, 

 entire or 2-3-cleft : petals half inch to inch long, rarely orange or whitish : capsule from 

 short-obovate to turbiuate-oblong, mostly liispid : stigmatic rays and placenta 4 to 7, usually 

 6 or 7. —Spec. i. 507, & ed. 2, i. 725 (Dill. Elth. t. 224) ; Fl. Dan. t. 41 ; DC. Syst. ii. 70 ; 

 Elkan, Monog. Pap. 16. — Whether or not the species should include P. alpinum, 1j. oi 

 European Alps, ours is all 



Var. arcticum, Elkan, 1. c. with dark hairy scapes rarely over a span high, and divis- 

 ions of leaves entire or sparingly cleft : capsule short and thick, or even obovate-globose (as 

 in P. microcarpum, DC. Syst. ii. 71, & P. nudicaule, Reichenb. Ic. PI. Crit. t. 742). — P. 

 alpimim, Hook. f. Arc. PI. 284, 313; Gray, Am. Jour. Sci. ser. 2, xxxiii. 407. — Through 

 Arctic Coast and Islands to Hudson Bay, Unalaska, and alpine Rocky Mountains to S. 

 Colorado. (Greenland E. to Kamtschatka.) 



10. MECONOPSIS, Viguier. (Mi^kcov, poppy, 6\j/L<i, resemblance.) — 



Poppy-like herbs, with yellow juice, W. European and Himalayan perennials, 



with the following outlying species. — Hist, des Pav. 11, 48; DC. Fl. Pr. 



Suppl. 586, & Syst. ii. 86 ; Benth. & Hook. Gen. i. 52. 



M. heteroph^lla, Benth. Glabrous annual, a foot or two high, simple or branching : 

 leaves somewhat succulent, pinnately parted or divided, mostly petioled ; divisions variable, 

 from oval to linear, entire or incised, or some pinnatifid : peduncles slender : petals half 

 inch to inch long, pale scarlet or orange-red : capsule turl)inate to obovate, with style shorter 

 than the width of the truncate summit, dehiscent by about 8 operculate lids rather than 

 valves at summit. — Trans. Hort. Soc. ser. 2, i. 408; Hook. Ic. t. 732 ; Torr. Pacif. R. Rep. 

 iv. 64 ; Brew. & Wats. Bot. Calif, i. 22. il/. heterophylla &, M. crassifuUa, Benth. 1. c. ; 

 Torr. & Gray, Fl. i. 61.^ — Dry ground, throughout W. California; type coU. by Douglas; 

 fl. summer. (Lower Calif.) 



11. STYLOPHORUM, Nutt. (Formed of o-tCXo?, style, and <^epw, to 



bear, the style conspicuous.) — Perennial herbs with orange-yellow juice, of an 



anomalous Japanese, another Himalayan, and the following original species. — 



Gen. ii. 7; Gray, Gen. 111. i. 113, t. 48. 



S. diph^^Uum, Nutt. 1. c. (Celandine Poppy.) Minutely pubescent or glabrate: stems 

 a foot or two high, two-leaved at summit and sometimes one-leaved below : leaves petioled, 

 pinnately parted, the radical into 7, canline mostly into 5 to 7 oblong or oval sinuate-dentate 

 divisions, upper ones more broadly confluent : peduncles 3 to 5 in an umbelliform cluster 

 between the subopposite leaves, slightly drooping in bud : petals golden yellow, orbicular, 

 inch or less long, early deciduous : style abrupt, rather shorter than the ovary : capsule 

 drooping, oval, about an inch long, beset with soft spreading bristles : placentae 3 or 4 ; 

 seeds reticulated, the rhaphe strongly crested. — Gray, Man. 27, & Gen. 111. i. 114, t. 48; 

 Hook. Bot. Mag. t. 4867. S. diphyllum & S. petiolatnm, Nutt. 1. c. 7, 8. S. Oliiense, Spreng. 

 Syst. ii. 570. Chelidonium diplii/llum, Michx. Fl. i. 309. Meconnpsift diphjjlla & M. petlolata, 

 DC. Syst. ii. 87, 88. M. diphylla, Torr. & Gray, Fl. i. 61. — Moist woods, W. Penn. to 

 Wisconsin, and Tennessee ; fl. spring and early summer. 



12. CHELID6NIUM, Tourn. Celandine, Swallow-wort, (An- 

 cient Greek name, from x^XiSwv, the swallow.) — Inst. 231, t. 116; L. Gen. no. 

 424. — Now of single species. 



C. MAjus, L. Perennial or biennial, with brittle branching stems (2 to 4 feet high) and 

 copious orange and acrid juice, glaucous, more or less pubescent : leaves petioled, pinnately 



1 Add syn. Fapaver heterophyllum, Greene, Fl. Francis. 281 ; P. crassifoliwn, Greene, Man. Bay- 

 Reg. 9. 



